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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2016 Intel Corporation
*/
#ifndef __INCLUDE_RTE_PORT_FD_H__
#define __INCLUDE_RTE_PORT_FD_H__
#ifdef __cplusplus
extern "C" {
#endif
/**
* @file
* RTE Port FD Device
*
* fd_reader: input port built on top of valid non-blocking file descriptor
* fd_writer: output port built on top of valid non-blocking file descriptor
*
***/
#include <stdint.h>
#include <rte_mempool.h>
#include "rte_port.h"
/** fd_reader port parameters */
struct rte_port_fd_reader_params {
/** File descriptor */
int fd;
/** Maximum Transfer Unit (MTU) */
uint32_t mtu;
/** Pre-initialized buffer pool */
struct rte_mempool *mempool;
};
/** fd_reader port operations */
extern struct rte_port_in_ops rte_port_fd_reader_ops;
/** fd_writer port parameters */
struct rte_port_fd_writer_params {
/** File descriptor */
int fd;
/**< Recommended write burst size. The actual burst size can be
* bigger or smaller than this value.
*/
uint32_t tx_burst_sz;
};
/** fd_writer port operations */
extern struct rte_port_out_ops rte_port_fd_writer_ops;
/** fd_writer_nodrop port parameters */
struct rte_port_fd_writer_nodrop_params {
/** File descriptor */
int fd;
/**< Recommended write burst size. The actual burst size can be
* bigger or smaller than this value.
*/
uint32_t tx_burst_sz;
/** Maximum number of retries, 0 for no limit */
uint32_t n_retries;
};
/** fd_writer_nodrop port operations */
extern struct rte_port_out_ops rte_port_fd_writer_nodrop_ops;
#ifdef __cplusplus
}
#endif
#endif
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